# SIGNL4

SIGNL4 (signl4.com): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index.

- Page: https://thirdpartyindex.com/vendors/signl4
- Documents last verified: 2026-09-30
- Transparency rating: 72/100 (how much it publishes, not how secure it is)
- Cite as: SIGNL4, Third Party Index, https://thirdpartyindex.com/vendors/signl4 (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Trust center | https://trust.signl4.com/ | 2026-09-30 | 2026-09-30 |
| Subprocessor list | https://trust.signl4.com/?itemUid=e3fae2ca-94a9-416b-b577-5c90e382df57 | 2026-09-30 | 2026-09-30 |
| Privacy policy | https://www.signl4.com/privacy-policy-website/ | 2026-09-30 | 2026-09-30 |
| Terms | https://www.signl4.com/terms\_of\_use/ | 2026-09-30 | 2026-09-30 |
| Status page | https://status.signl4.com/ | 2026-09-30 | 2026-09-30 |

## Subprocessors (4)

As its own list states them.

| Subprocessor | Purpose | Location | Listed since |
|---|---|---|---|
| [Google](https://thirdpartyindex.com/vendors/google-cloud.md) | Provision of telecommunications services (push messages) | Google Inc, 1600 Amphitheatre Parkway Mountain View, CA 94043, USA | 2026-09-30 |
| [Recurly](https://thirdpartyindex.com/vendors/recurly.md) | Provision of billing and subscription management services | Recurly Inc, 400 Alabama Street, Suite 202, San Francisco, CA 94110, USA | 2026-09-30 |
| [Stripe](https://thirdpartyindex.com/vendors/stripe.md) | Payment processing | Stripe, Inc., 510 Townsend Street, San Francisco, CA 94103, USA | 2026-09-30 |
| [Twilio](https://thirdpartyindex.com/vendors/twilio.md) | Provision of telecommunications services (SMS, telephony services) | EU, Twilio Germany GmbH, Rosenheimer Str. 143C, 81671 Munich, Germany | 2026-09-30 |

Read from ([evidence](https://thirdpartyindex.com/evidence/25382)). CSV: https://thirdpartyindex.com/vendors/signl4/subprocessors.csv

## Compliance

As its trust center lists them.

- Audited: ISO/IEC 27001, TISAX ([evidence](https://thirdpartyindex.com/evidence/25384))
- Claimed: GDPR, DORA ([evidence](https://thirdpartyindex.com/evidence/25384))

## Listed as a subprocessor by (0)

No tracked vendor lists it.

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Third Party Index (https://thirdpartyindex.com) monitors vendors' public security and privacy documents and keeps each version as evidence. Data CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/); vendors' own documents are theirs. API: https://thirdpartyindex.com/api